Mute for brass instruments



FIG. 1 is a side elevational view of a mute for brass instruments showing my new design;

FIG. 2 is another side elevational view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view; and

FIG. 5 is an elevational view of the side opposite FIG. 1. 

The ornamental design for a mute for brass instruments, as shown. 